Home / 249,987,001.50-344,984,820.57-138,479,550.30

Finding the Fourth Proportional to 249,987,001.50, 344,984,820.57 and 138,479,550.30

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Solution

The fourth proportional to 249,987,001.50, 344,984,820.57 and 138,479,550.30 is: 191,103,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,987,001.50 : 344,984,820.57 = 138,479,550.30 : x
  2. Step 2: Convert to fraction form
    249,987,001.50/344,984,820.57 = 138,479,550.30/x
  3. Step 3: Cross multiply
    249,987,001.50x = 344,984,820.57 × 138,479,550.30
  4. Step 4: Simplify right side
    249,987,001.50x = 47,773,342,812,859,792
  5. Step 5: Solve for x
    x = 47,773,342,812,859,792/249,987,001.50
  6. Step 6: Final answer
    x = 191,103,307.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.